HET Night Report Reader

Civil Date	Ephemerides
2025-09-02	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:24	02:11	02:40	11:11	11:41	12:27	-	08:13
Night Length	8:31		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Cassie Crowe

Overlaps
TO Overlap	RA Overlap
Nathan McReynolds	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:21	20.7	18.5	11:59	twilight	10:38
Total Time Open					10:38

Program	Night Priority	Science
02:40	Idle due to weather (clouds)
03:08	Science
03:17	Idle due to weather (clouds)
03:31	Science
04:12	Idle due to weather (clouds)
04:30	Science
04:51	Idle due to weather (clouds)
04:58	Science
06:58	Idle due to weather (clouds)
09:17	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:50	02:34	0.42	0.65	190	+1752	20.6	20.5	20.1	44	7	First of Night
07:35	07:57				+3046	17.0	17.6	17.6	66	16	Stack/Re-stack
11:28	11:33	0.56	0.93	180	+3460	16.0	16.8	16.9	70	10	Post-Observing
11:33	11:56	0.39	0.59	200	+3874	15.9	16.7	16.8	67	11	End of Night

Problem Reports					no PRs

TO Comments	Some clouds throughout, otherwise clear.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000038_02	dark	00:04	360			LRS2	cal							Yes
virus0000029_02	dark	00:05	360			VIRUS	cal							Yes
lrs20000038_03	dark	00:11	360			LRS2	cal							Yes
virus0000029_03	dark	00:12	360			VIRUS	cal							Yes
0001	twilight	01:23	298.2			HPF	cal					409		Yes
lrs20000001_01	skyflat	01:29	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:30	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:31	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:33	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:34	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:35	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:38	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:39	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:40	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:42	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:43	26			VIRUS	cal							Yes
0002	LFC Cal	01:45	106.5			HPF	cal							Yes
0003	LFC Cal	01:47	106.5			HPF	cal							Yes
0004	LFC Cal	01:50	106.5			HPF	cal							Yes
0005	LFC Cal	01:52	106.5			HPF	cal							Yes
lrs20000007_01	bias	01:55	0			LRS2	cal							Yes
virus0000006_01	bias	01:55	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:55	0			LRS2	cal							Yes
virus0000006_02	bias	01:56	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:56	0			LRS2	cal							Yes
virus0000006_03	bias	01:57	0			VIRUS	cal							Yes
0006	test_drk_donotuse	02:06	10.7			HPF	cal							Yes
0007	test	02:07	117.2			HPF	cal		1.16					Yes
0008	LFC Cal	02:32	106.5			HPF	cal							Yes
0009	test_drk_donotuse	02:35	10.7			HPF	cal							Yes
virus0000007_01	parallel	02:40	374			VIRUS	sci							Yes
0010	QID 911	02:41	340.8	6.3	PSU25-3-006	HPF	sci	1.67		18.53	0.54	370	clouds	No
0011	test_drk_donotuse	02:48	10.7			HPF	cal							Yes
virus0000008_01	parallel	02:48	374			VIRUS	sci							Yes
0012	QID 911	02:49	340.8	2.3	PSU25-3-006	HPF	sci	1.62		17.93	0.15	43		No
0013	test_drk_donotuse	03:11	10.7			HPF	cal							Yes
0014	HR8377_tell_std	03:12	330.2	3.5		HPF	telluric	1.39		19.12	0.78			Yes
lrs20000008_01	QID 116	03:28	180	3.0	PSU25-3-002	LRS2-B	sci	1.48		19.56	0.68		clouds	No
0015	test_drk_donotuse	03:37	10.7			HPF	cal							Yes
0016	QID 870	03:38	969.1	7.8	UT25-3-009	HPF	sci	1.58		17.88	0.82	35	clouds at the end of the second exp. check quality	Yes
virus0000009_01	parallel	03:38	2047			VIRUS	sci							Yes
0017	QID 870	03:56	969.1	0.8	UT25-3-009	HPF	sci	1.73		17.89	0.85	29		Yes
virus0000010_01	parallel	04:35	360			VIRUS	sci							Yes
lrs20000009_01	QID 772	04:35	360	5.0	UT25-3-015	LRS2-R	sci	1.49		19.72	0.75			P4
lrs20000010_01	HD180609_056_W	04:46	30	5.5		LRS2	spec	1.37		19.96	0.72			Yes
lrs20000011_01	HD180609_066_W	04:51	30	3.5		LRS2-B	spec	1.45		19.79	0.86			Yes
none	QID 2964	04:58	0	7.0	UT25-3-001	LRS2-B	sci						clouds	No
0018	LFC Cal	05:02	106.5			HPF	cal							Yes
virus0000011_01	parallel	05:06	2047			VIRUS	sci							Yes
0019	QID 1982	05:07	969.1	8.8	UT25-3-013	HPF	sci	1.50	0.96	19.24	0.82	73		Yes
0020	QID 1982	05:24	969.1	0.8	UT25-3-013	HPF	sci	1.58	0.98	19.46	0.81	66		Yes
virus0000012_01	parallel	05:46	600			VIRUS	sci							Yes
lrs20000012_01	QID 512	05:46	600	6.0	UT25-3-015	LRS2-B	sci	1.47	0.93	19.76	0.72			P4
virus0000013_01	parallel	06:00	1200			VIRUS	sci							Yes
lrs20000013_01	QID 513	06:00	1200	4.0	UT25-3-015	LRS2-R	sci	1.53	0.84	19.66	0.95			P4
0021	LFC Cal	06:21	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:26	1959			VIRUS	sci							Yes
0022	QID 1882	06:27	915.9	6.7	G25-3-002	HPF	sci	1.52	0.92	19.10	0.90	64		Yes
0023	QID 1882	06:43	915.9	0.7	G25-3-002	HPF	sci	1.65	1.29	19.23	0.89	66		Yes
0024	LFC Cal	07:00	106.5			HPF	cal							Yes
virus0000015_01	parallel	07:04	900			VIRUS	sci							Yes
lrs20000014_01	QID 2116	07:04	900	6.0	UT25-3-010	LRS2-B	sci	1.74	1.04	20.26	1.12		clouds? or pointing	No
virus0000015_02	parallel	07:20	900			VIRUS	sci							Yes
lrs20000014_02	QID 2116	07:20	900	1.0	UT25-3-010	LRS2-B	sci	1.90	0.85	20.64	1.11			No
0025	test_drk_donotuse	07:58	10.7			HPF	cal							Yes
virus0000016_01	parallel	08:03	2047			VIRUS	sci							Yes
0026	QID 869	08:04	969.1	6.8	UT25-3-009	HPF	sci	1.31		20.08	0.21	20	clouds	No
0027	QID 869	08:21	969.1	0.8	UT25-3-009	HPF	sci	1.20		20.12	0.12	12		No
virus0000017_01	parallel	09:20	1800			VIRUS	sci							Yes
lrs20000015_01	QID 2964	09:20	1800	3.0	UT25-3-001	LRS2-B	sci	1.34	0.79	21.94	0.80			Yes
virus0000018_01	parallel	09:54	1000			VIRUS	sci							Yes
lrs20000016_01	QID 2057	09:54	1000	4.3	UT25-3-010	LRS2-B	sci	1.29	0.77	21.59	0.81			Yes
virus0000018_02	parallel	10:12	1000			VIRUS	sci							Yes
lrs20000016_02	QID 2057	10:12	1000	1.3	UT25-3-010	LRS2-B	sci	1.39	0.75	21.61	0.82			Yes
virus0000019_01	parallel	10:34	1200			VIRUS	sci							Yes
0028	LFC Cal	10:35	106.5			HPF	cal							Yes
lrs20000017_01	QID 2965	10:35	1200	6.0	UT25-3-001	LRS2-B	sci	1.46	0.86	21.43	0.88			Yes
0029	LFC Cal	10:37	106.5			HPF	cal							Yes
0030	LFC Cal	10:39	106.5			HPF	cal							Yes
0031	LFC Cal	10:58	106.5			HPF	cal							Yes
lrs20000018_01	QID 2966	10:58	1200	3.0	UT25-3-001	LRS2-R	sci	1.31	0.89	20.62	0.94			Yes
virus0000020_01	parallel	10:58	1200			VIRUS	sci							Yes
0032	LFC Cal	11:01	106.5			HPF	cal							Yes
0033	LFC Cal	11:03	106.5			HPF	cal							Yes
lrs20000019_01	QID 2152	11:22	270	4.5	UT25-3-010	LRS2-B	sci	1.47	0.90	20.73	0.86			Yes
0034	LFC Cal	11:23	106.5			HPF	cal							Yes
0035	LFC Cal	11:25	106.5			HPF	cal							Yes
lrs20000020_01	bias	11:28	0			LRS2	cal							Yes
virus0000021_01	bias	11:29	0			VIRUS	cal							Yes
virus0000022_01	Cd-A	11:34	15		ENG25-3-002	VIRUS	cal							Yes
virus0000023_01	Hg	11:35	15		ENG25-3-002	VIRUS	cal							Yes
0036	Dark	12:00	319.5			HPF	cal							Yes
0037	Quartz FCU	12:12	74.5			HPF	cal							Yes
0038	Quartz FCU	12:13	74.5			HPF	cal							Yes
0039	Quartz FCU	12:15	74.5			HPF	cal							Yes
0040	Quartz FCU	12:17	74.5			HPF	cal							Yes
0041	Quartz FCU	12:19	74.5			HPF	cal							Yes
0042	Quartz FCU	12:20	74.5			HPF	cal							Yes
0043	Quartz FCU	12:22	74.5			HPF	cal							Yes
0044	Alpha Bright Cal	12:25	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	12:26	85.2			HPF	cal							Yes
0046	Alpha Bright Cal	12:28	85.2			HPF	cal							Yes
0047	Alpha Bright Cal	12:30	85.2			HPF	cal							Yes
0048	LFC FCU	12:33	106.5			HPF	cal							Yes
0049	LFC FCU	12:35	106.5			HPF	cal							Yes
0050	LFC FCU	12:38	106.5			HPF	cal							Yes
0051	LFC FCU	12:40	106.5			HPF	cal							Yes
0052	LFC FCU	12:42	106.5			HPF	cal							Yes
0053	LFC FCU	12:45	106.5			HPF	cal							Yes
0054	LFC Cal	12:47	106.5			HPF	cal							Yes
0055	LFC Cal	12:50	106.5			HPF	cal							Yes
0056	Etalon Cal	12:58	159.8			HPF	cal							Yes
0057	Etalon Cal	13:01	159.8			HPF	cal							Yes
0058	Etalon Cal	13:04	159.8			HPF	cal							Yes
0059	Etalon Cal	13:07	159.8			HPF	cal							Yes
0060	UNe Slave Cal	13:11	426			HPF	cal							Yes
0061	UNe Slave Cal	13:18	426			HPF	cal							Yes
0062	UNe Slave Cal	13:26	426			HPF	cal							Yes
0063	UNe Slave Cal	13:34	426			HPF	cal							Yes
0064	UNe Slave Cal	13:42	426			HPF	cal							Yes
0065	UNe Slave Cal	13:50	426			HPF	cal							Yes
0078	LFC Cal	21:42	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:59	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:01	20			LRS2	cal							Yes
virus0009902_01	dark	22:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:03	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:05	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
0079	Dark	22:21	319.5			HPF	cal							Yes
0080	Quartz FCU	22:27	74.5			HPF	cal							Yes
0081	Quartz FCU	22:29	74.5			HPF	cal							Yes
0082	Quartz FCU	22:31	74.5			HPF	cal							Yes
0083	Quartz FCU	22:33	74.5			HPF	cal							Yes
0084	Quartz FCU	22:34	74.5			HPF	cal							Yes
0085	Quartz FCU	22:36	74.5			HPF	cal							Yes
0086	Quartz FCU	22:38	74.5			HPF	cal							Yes
0087	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0089	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0091	LFC FCU	22:49	106.5			HPF	cal							Yes
0092	LFC FCU	22:51	106.5			HPF	cal							Yes
0093	LFC Cal	22:54	106.5			HPF	cal							Yes
0094	LFC Cal	22:56	106.5			HPF	cal							Yes
0095	Etalon Cal	22:59	159.8			HPF	cal							Yes
0096	UNe Slave Cal	23:02	426			HPF	cal							Yes
lrs20000031_01	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000031_02	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000031_03	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000031_04	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000031_05	flat_Qth_R	23:09	15			LRS2	cal							Yes
0097	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000032_01	flat_ldls_long_B	23:10	20			LRS2	cal							Yes
lrs20000032_02	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000032_03	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000033_01	Cd-A_B	23:14	38			LRS2	cal							Yes
lrs20000033_02	Cd-A_B	23:16	38			LRS2	cal							Yes
lrs20000033_03	Cd-A_B	23:17	38			LRS2	cal							Yes
0098	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000034_01	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000034_02	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000034_03	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000035_01	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000035_02	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000035_03	Hg_R	23:25	20			LRS2	cal							Yes
0099	UNe Slave Cal	23:26	426			HPF	cal							Yes
lrs20000036_01	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000036_02	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000036_03	Hg_B	23:29	15			LRS2	cal							Yes
0100	UNe Slave Cal	23:33	426			HPF	cal							Yes
virus0000025_01	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	23:39	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	23:40	15			VIRUS	cal							Yes
0101	UNe Slave Cal	23:41	426			HPF	cal							Yes
virus0000026_02	Cd-A	23:41	15			VIRUS	cal							Yes
virus0000026_03	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000027_01	Hg	23:44	15			VIRUS	cal							Yes
virus0000027_02	Hg	23:46	15			VIRUS	cal							Yes
virus0000027_03	Hg	23:47	15			VIRUS	cal							Yes
lrs20000037_01	bias	23:48	0			LRS2	cal							Yes
virus0000028_01	bias	23:48	0			VIRUS	cal							Yes
lrs20000037_02	bias	23:49	0			LRS2	cal							Yes
virus0000028_02	bias	23:49	0			VIRUS	cal							Yes
lrs20000037_03	bias	23:50	0			LRS2	cal							Yes
virus0000028_03	bias	23:50	0			VIRUS	cal							Yes
lrs20000037_04	bias	23:51	0			LRS2	cal							Yes
virus0000028_04	bias	23:51	0			VIRUS	cal							Yes
lrs20000037_05	bias	23:52	0			LRS2	cal							Yes
virus0000028_05	bias	23:52	0			VIRUS	cal							Yes
lrs20000037_06	bias	23:53	0			LRS2	cal							Yes
virus0000028_06	bias	23:53	0			VIRUS	cal							Yes
lrs20000037_07	bias	23:53	0			LRS2	cal							Yes
virus0000028_07	bias	23:54	0			VIRUS	cal							Yes
lrs20000037_08	bias	23:54	0			LRS2	cal							Yes
virus0000028_08	bias	23:55	0			VIRUS	cal							Yes
lrs20000037_09	bias	23:55	0			LRS2	cal							Yes
virus0000028_09	bias	23:55	0			VIRUS	cal							Yes
lrs20000037_10	bias	23:56	0			LRS2	cal							Yes
virus0000028_10	bias	23:56	0			VIRUS	cal							Yes
lrs20000037_11	bias	23:57	0			LRS2	cal							Yes
virus0000028_11	bias	23:57	0			VIRUS	cal							Yes
lrs20000038_01	dark	23:58	360			LRS2	cal							Yes
virus0000029_01	dark	23:58	360			VIRUS	cal							Yes